The number of set partitions of {1,2,...,n} into a prime number of blocks each of which contains a prime number of elements.

A190529

The number of set partitions of {1,2,...,n} into a prime number of blocks each of which contains a prime number of elements.

Terms

    a(0) =3a(1) =10a(2) =25a(3) =126a(4) =336a(5) =694a(6) =3711a(7) =22935a(8) =155628a(9) =789009a(10) =4133207a(11) =26216386a(12) =172746848a(13) =1257901128a(14) =8859163896a(15) =63208414749a(16) =453778734700

External references